Seiko Cal. 4540 - 366

Seiko 4540-366

This Quartz model from 1980 features a 38mm Titanium case. Powered by the 4540 caliber with 24j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-7d9443748a1c]

Also known as: Sumo, Panda

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
38mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1980

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